<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收货地址组件 -->
		<my-address></my-address>
		
		<!-- 购物车商品列表标题区域 -->
		<view class="cart-title">
			<!-- 左图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 右文本 -->
			<text class="cart-title-text">购物车</text>
		</view>
		
		<!-- 循环渲染购物车中的商品信息 -->
<!-- 		<block v-for="(goods, index) in cart" :key="index">
			<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
		</block>
		 -->
		
		<!--  -->
		<uni-swipe-action>
			<block v-for="(goods, index) in cart" :key="index">
				<uni-swipe-action-item :right-options="options" @click="swipeItemClickHandler(goods)">
						<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>


		<!--  -->
		<!-- 使用自定义结算组件 -->
		<my-settle> </my-settle>
	</view>
	
	<!-- 空空如也时 -->
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	import { mapState, mapMutations } from 'vuex'	
		
	export default {
		mixins: [badgeMix],
		computed: {
			...mapState('m_cart', ['cart'])
		},
		data() {
			return {
				options: [{
					text:'删除',
					style: {
						backgroundColor: '#c00000'
					},
				}]
			};
		},
		methods:{
			...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
			
			radioChangeHandler(e){
				// console.log(e)
				this.updateGoodsState(e)
			},
			numberChangeHandler(e){
				// console.log(e)
				this.updateGoodsCount(e)
			},
			swipeItemClickHandler(goods){
				// console.log(goods)
				this.removeGoodsById(goods.goods_id)

			}
		}

	}
</script>

<style lang="scss">
	.cart-container{
		padding-bottom: 52px;
	}
	.cart-title{
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 6px;
		border-bottom: 1px solid #efefef;
		.cart-title-text{
			font-size: 14px;
			margin-left: 10px;
		}
	}
	
	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top: 150px;
		.empty-img{
			width: 90px;
			height: 90px;
		}
		.tip-text{
			font-size: 12px;
			color: gray;
			margin-top: 16px;
		}
	}
	

</style>
